Remove the shell script, since it's no use anymore.
Fix the relativePath method, oops.
Remove getRoot static method, adding rootPath instance method in its place.
Use the new method to get the working copy root.
Fix the svnbase command to work with svn 1.7 and up.
Re-implement the getRoot method, since it's used in a few places.
Revert to using getRoot method.
Add another missing file status constant.